Question: A company has a manual 2D microscope which can measure the coordinates of 2D profiles. Develop a least square algorithm in either Matlab or Excel

A company has a manual 2D microscope which can measure the coordinates of 2D profiles. Develop a least square algorithm in either Matlab or Excel to calculate the centre and radius of circular features.

Describe briefly how measurement uncertainty is evaluated. Given the standard uncertainty of x and y coordinates is 20 m, calculate the uncertainties associated with the radius and centre coordinates. Describe how to reduce the measurement uncertainties.

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